Chesterfield, Derbyshire
Two-storey rear extension in Chesterfield
We plan and build two-storey rear extensions for homeowners in Chesterfield. A larger kitchen downstairs and an extra bedroom or bathroom upstairs, under one roof. Start with a free site visit, then a written price once the design is agreed.
Chesterfield sits in Derbyshire, with postcode districts including S40 and S41. In Derbyshire we check the neighbours' rear windows first, because the upper floor is where most two-storey schemes win or lose planning.
Book a free site visit
Tell us about the house and we'll call to arrange a free, no-obligation visit.
How much does a two-storey rear extension cost in Chesterfield?
For Chesterfield we work from the East Midlands rate: £1,750–£2,620 per square metre of new floor, including VAT, standard specification. East Midlands prices sit a little below our West Midlands baseline.
| Size | Guide price inc VAT |
|---|---|
| 3 m × 5 m footprint, two floors (30 m²) | £52,500–£78,500 |
| 4 m × 6 m footprint, two floors (48 m²) | £84,000–£125,500 |
We put a fixed price in writing once the design is agreed, and explain any provisional sums such as foundations.
Do you need planning permission for a two-storey rear extension in Chesterfield?
Planning for a two-storey rear extension in Chesterfield follows the English householder rules.
England's rules allow a rear extension of more than one storey without an application only when it is no deeper than 3 metres and at least 7 metres from the boundary opposite the rear wall, and never on designated land. Most two-storey schemes need householder planning permission.
Conservation areas, National Parks, National Landscapes and the Broads restrict permitted development, and listed buildings always need listed building consent. Before any drawing we look up the property's history with the council, because earlier extensions and removed rights change the answer.
What are homes in Chesterfield like to extend?
Red-brick terraces and semis are typical of Chesterfield. Coal-mining legacy areas in parts of the East Midlands can need a Coal Authority check before foundations are designed.
How a two-storey rear extension in Chesterfield comes together
Look round and measure
A free visit to see the back of the house, measure it, check the drains and boundaries and hear what you need.
Options and costs
We draw layout options and price each one, so the budget shapes the design rather than surprising you later.
Planning and regulations
We take the design through the right planning route, then produce the construction drawings and engineer's calculations for building control.
Fixed price and build
A written price for the agreed design, a start date and a named contact through the build, ending with the building control completion certificate.
Two-storey rear extensions near Chesterfield
From Chesterfield, the nearest places we also cover are Staveley (3.0 miles) and Dronfield (4.3 miles).
- Two-storey rear extension in Staveley
- Two-storey rear extension in Dronfield
- Two-storey rear extension in Bolsover
- Two-storey rear extension in Beighton
- Two-storey rear extension in Nether Edge
Other work in Chesterfield:
FAQ
Two-storey rear extension questions in Chesterfield
Will I need a structural engineer?
Yes for the beam over the new opening and usually the foundations; we arrange them and their calculations go to building control.
What postcode areas do you cover around Chesterfield?
Including S40 and S41, and the surrounding Derbyshire area.
Can I add an en-suite upstairs?
Yes. We plan the soil pipe route early so the bathroom sits where drainage works without boxing through the room below.
Do you handle building control in Chesterfield?
Yes. We apply to the council or a registered building control approver and hand over the completion certificate.
Is the site visit in Chesterfield free?
Yes. We visit, measure up and talk through the options with no cost and no obligation.
Can I get a price without a visit?
Our online guide-price tool gives a range in a couple of minutes. A written price needs a survey.